The International encyclopedia of educational technology / 
edited by Michael Eraut. 
 - 1st ed. 
 - Oxford, England ;  New York :  Pergamon Press,  1989. 
 - xxii, 654 p. :  ill. ;  25 cm. 
<br/><br/> "Based on material from The International encyclopedia of education, first published 1985, with revisions and updated material"--T.p. verso. 
<br/><br/><label>ISBN: </label>0080334091  9780080334097 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology--Encyclopedias.<br/>Computers<br/>Broadcasting
<br/><br/><label>Dewey Class. No.: </label>R 371.307803  / ERA N89I